‘Seeing the iris gives us clues as to whether you can be trusted,’ Dr Carbino explained, which kind of makes sense seeing as eyes are the windows to the soul and all that. And if you’re all too familiar with the perils of Tinder, we’ve charted the 12 most soul-destroying things about internet dating. Your Tinder profile is made up of your first name, age, photos of your choice and any pages you’ve ‘liked’ on Facebook.